Home / 612,569.13-918,897.48-163,287.69

Finding the Fourth Proportional to 612,569.13, 918,897.48 and 163,287.69

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Solution

The fourth proportional to 612,569.13, 918,897.48 and 163,287.69 is: 244,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,569.13 : 918,897.48 = 163,287.69 : x
  2. Step 2: Convert to fraction form
    612,569.13/918,897.48 = 163,287.69/x
  3. Step 3: Cross multiply
    612,569.13x = 918,897.48 × 163,287.69
  4. Step 4: Simplify right side
    612,569.13x = 150,044,646,856.02
  5. Step 5: Solve for x
    x = 150,044,646,856.02/612,569.13
  6. Step 6: Final answer
    x = 244,943.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.